PGMJ 265 Pieces 12 Size M4 M5 M6 M8 M10 Metric Threaded Inserts Nuts Assortment Tool Kit for Wood Furniture Zinc Alloy Furniture Bolt Fastener Connector Hex Socket Screw Inserts auspowers_batchone Creality Designed CR Touch Auto bee Creality Designed CR Touch Auto Bed Leveling Kit CR Touch is upgraded to a metal probe Any question M1025 （The corresponding hex wrenches are:M4 M5 M6 M8 M10） Package: 30 x Hex socket (M410) 30 x Hex socket (M510) 30 x Hex socket (M68) 30 x Hex socket (M610) 30 x Hex socket (M615) 20 x Hex socket (M618) 20 x Hex socket (M620) 12 x Hex socket (M625) 20 x Hex socket (M812) 20 x Hex socket (M815) 15 x Hex socket (M820) 8 x Hex socket (M1025) you can find the appropriate size quickly